86220351 has 18 divisors (see below), whose sum is σ = 144874392. Its totient is φ = 49268520.

The previous prime is 86220319. The next prime is 86220359. The reversal of 86220351 is 15302268.

86220351 is a `hidden beast` number, since 8 + 622 + 0 + 35 + 1 = 666.

It is not a de Polignac number, because 86220351 - 2⁵ = 86220319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86220359) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 97315 + ... + 98196.

Almost surely, 2^86220351 is an apocalyptic number.

86220351 is a deficient number, since it is larger than the sum of its proper divisors (58654041).

86220351 is a wasteful number, since it uses less digits than its factorization.

86220351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195531 (or 195521 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 86220351 is about 9285.4914247982. The cubic root of 86220351 is about 441.7771632558. Note that the first 3 decimals are identical.

The spelling of 86220351 in words is "eighty-six million, two hundred twenty thousand, three hundred fifty-one".